Reasoning - Arithmetic Reasoning - Discussion

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Q.

Five bells begin to toll together and toll respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start ?  .                          
A. A.7 times B. B.8 times
C. C.9 times D. D.11 times

Answer: Option B
Explaination:

 


Discussion

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